# 课本第42页第3题
import math
def cy_surface_volume(radius, height):
    PI = 3.14
    surface_area = 2 * PI * radius * (radius + height)
    volume = PI * radius ** 2 * height
    return round(surface_area, 2), round(volume, 2)

radius = 5
height = 10
surface_area, volume = cy_surface_volume(radius, height)

print("圆柱体的表面积为：{}平方厘米".format(surface_area))
print("圆柱体的体积为：{}立方厘米".format(volume))